/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.tracker.imports.preheat.supplier;

import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.mockito.ArgumentMatchers.argThat;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.when;

import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.apache.commons.lang3.RandomStringUtils;
import org.hisp.dhis.common.CodeGenerator;
import org.hisp.dhis.common.IdentifiableObjectManager;
import org.hisp.dhis.test.random.BeanRandomizer;
import org.hisp.dhis.tracker.imports.domain.Event;
import org.hisp.dhis.tracker.imports.domain.TrackerObjects;
import org.hisp.dhis.tracker.imports.domain.User;
import org.hisp.dhis.tracker.imports.preheat.TrackerPreheat;
import org.hisp.dhis.user.UserService;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * @author Luciano Fiandesio
 */
@ExtendWith(MockitoExtension.class)
class UserSupplierTest {

  @InjectMocks private UserSupplier supplier;

  @Mock private UserService userService;

  @Mock private IdentifiableObjectManager manager;

  private final BeanRandomizer rnd = BeanRandomizer.create(Event.class, "assignedUser");

  private List<org.hisp.dhis.user.User> users;

  private List<Event> events;

  @BeforeEach
  void setup() {
    events = rnd.objects(Event.class, 5).collect(Collectors.toList());
    events.forEach(
        e ->
            e.setAssignedUser(
                User.builder()
                    .uid(CodeGenerator.generateUid())
                    .username(RandomStringUtils.random(10))
                    .build()));
    users = rnd.objects(org.hisp.dhis.user.User.class, 5).collect(Collectors.toList());

    IntStream.range(0, 5)
        .forEach(i -> users.get(i).setUid(events.get(i).getAssignedUser().getUid()));
    IntStream.range(0, 5)
        .forEach(i -> users.get(i).setUsername(events.get(i).getAssignedUser().getUsername()));
  }

  @Test
  void verifyUserSupplierByUid() {
    final List<String> userIds =
        events.stream().map(Event::getAssignedUser).map(User::getUid).collect(Collectors.toList());

    when(manager.getByUid(eq(org.hisp.dhis.user.User.class), argThat(t -> t.containsAll(userIds))))
        .thenReturn(users);

    final TrackerObjects params = TrackerObjects.builder().events(events).build();

    TrackerPreheat preheat = new TrackerPreheat();
    this.supplier.preheatAdd(params, preheat);

    for (String userUid : userIds) {
      assertThat(preheat.getUserByUid(userUid).orElseGet(null), is(notNullValue()));
    }
  }

  @Test
  void verifyUserSupplierByUsername() {
    final List<String> usernames =
        events.stream()
            .map(Event::getAssignedUser)
            .map(User::getUsername)
            .collect(Collectors.toList());

    when(userService.getUsersByUsernames(argThat(t -> t.containsAll(usernames)))).thenReturn(users);

    final TrackerObjects params = TrackerObjects.builder().events(events).build();

    TrackerPreheat preheat = new TrackerPreheat();
    this.supplier.preheatAdd(params, preheat);

    for (String username : usernames) {
      assertThat(preheat.getUserByUsername(username).orElseGet(null), is(notNullValue()));
    }
  }
}
